diff --git a/ess/ess-api/src/main/java/cn/axzo/nanopart/ess/api/request/SaveContractSnapshotRequest.java b/ess/ess-api/src/main/java/cn/axzo/nanopart/ess/api/request/SaveContractSnapshotRequest.java
index 603f4806..7d4c6347 100644
--- a/ess/ess-api/src/main/java/cn/axzo/nanopart/ess/api/request/SaveContractSnapshotRequest.java
+++ b/ess/ess-api/src/main/java/cn/axzo/nanopart/ess/api/request/SaveContractSnapshotRequest.java
@@ -21,7 +21,8 @@ public class SaveContractSnapshotRequest {
 	private String essContractId;
 
 	/**
-	 * 是否重复下载, 即已经下载过了, 但是需要重新下载
+	 * 是否重复下载, 即已经下载过了, 但是需要重新下载.
+	 * 如果合同已经是终状 retryDownload=true 也不会重新下载
 	 */
 	private boolean retryDownload = false;
 
diff --git a/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/ess/EssService.java b/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/ess/EssService.java
index 0b9eacdf..af7cc8e1 100644
--- a/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/ess/EssService.java
+++ b/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/ess/EssService.java
@@ -205,6 +205,7 @@ public class EssService {
 			log.info("合同不需要下载PDF, contract={}", contract);
 			return;
 		}
+		// 终状的时间肯定无需重复下载
 		if (contract.isFinalState() && contract.isUploadedToOss()) {
 			log.info("合同已是终态且已下载PDF, contract={}", contract);
 			return;